/* 
 * File:   4DSphereRW.h
 * Author: karol
 *
 * Created on 17 listopad 2009, 13:16
 */

#ifndef _4DSPHERERW_H
#define	_4DSPHERERW_H

#include "random01.h"
#include "valarray_external.h"

///this algorithm is due to Marsaglia

extern vect    RandomWalkOn4DSphere(const double & r,const vect & x);


#endif	/* _4DSPHERERW_H */

